Jan De Grauwe & Francis Timmermans  <br />Visitationes des chartreuses belges. Ad honorem Reverendo John Clark,  in: James Hogg (ed.), Stand up to Godwards. Essays in mystical tradition and monastic theology in honour of the Reverend John Clark on his sixth-fifth birthday , Salzburg, 2002, 173-244 (= Analecta Cartusiana, 204)<br />[De Grauwe & Timmermans 2002]